The title for this easy level chart comes from the idea that every good rehearsal is like a workout - that during a jazz rehearsal, the band roombecomes something of a jazz gymnasium. This straight ahead blues will provide young players with a good workout on some of the most important fundamentals of the swing style. The open solo section provides a good opportunity for students to get their feet wet in the improvisation area as solo sheets are provided for all instruments. Duration 3:02. Style Swing.